Haas Alarm: 187 (L) B SERVO ERROR TOO LARGE – Too much load or speed on B-axis motor. The difference between the motor position and the commanded position has exceeded a parameter. The motor may also be stalled, disconnected, or the driver failed. The servos will be turned off and a Reset must be done to restart. This alarm can be caused by problems with the driver, motor, or the slide being run into the mechanical stops.